Home Forums SQL Server 2008 T-SQL (SS2K8) Help with Count over days (but not per day) ... the total up until that day through the date range. RE: Help with Count over days (but not per day) ... the total up until that day through the date range.

  • Sony Francis @EY (10/1/2012)


    May be this query will help your problem

    CREATE TABLE #Temp (Name varchar(100), value int)

    INSERT INTO #Temp

    SELECT 'Day1', 12

    UNION

    SELECT 'Day2' ,6

    UNION

    SELECT 'Day3' , 10

    UNION

    SELECT 'Day4' ,8

    UNION

    SELECT 'Day5' ,4

    ;with cte as

    (

    select *, ROW_NUMBER() over(PARTITION by null order by Name ) as Id

    FROM #Temp

    )

    SELECT b.Name , SUM(A.value ), B.Id

    FROM cte A

    INNER JOIN cte B on A.Id <= B.Id

    GROUP BY B.Name , b.id

    I believe Jeff talks about this "triangular join" in the article I referenced.


    My mantra: No loops! No CURSORs! No RBAR! Hoo-uh![/I]

    My thought question: Have you ever been told that your query runs too fast?

    My advice:
    INDEXing a poor-performing query is like putting sugar on cat food. Yeah, it probably tastes better but are you sure you want to eat it?
    The path of least resistance can be a slippery slope. Take care that fixing your fixes of fixes doesn't snowball and end up costing you more than fixing the root cause would have in the first place.

    Need to UNPIVOT? Why not CROSS APPLY VALUES instead?[/url]
    Since random numbers are too important to be left to chance, let's generate some![/url]
    Learn to understand recursive CTEs by example.[/url]
    [url url=http://www.sqlservercentral.com/articles/St